胚胎

Embryologic structure that results from the fusion of neural folds and develops into the brain and spinal cord .

因神经系统摺叠的融合和发展成脑和脊髓的胚胎结构。

Caused by the defective fusion of the neural tube during embryologic development.

是由在胚胎发展中神经管的缺陷融合造成的。

Embryologic structure that results from the fusion of neural folds and develops into the brain and spinal cord.

由神经褶结合而成并发展成脑及脊髓的胚胎结构。

We report a case of extracranial fenestration detected by cerebral angiography, and analyze the embryologic pathogenesis and clinical significance of this variation.

本文报道1例经确诊为颅外型椎动脉窗式变异患者的全脑血管造影情况，并从胚胎学成因及临床意义方面进行分析和讨论。

The embryologic origins of TDCs and inferior PTCs are revealed from the experience of this case.

并从这个病例中来讨论甲状舌骨囊肿及副甲状腺囊肿之胚胎起源。

Ectopic thyroid is a congenital anomaly resulted from the embryologic defects of the medial anlage of the thyroid.

甲状腺胚胎发育异常是异位甲状腺的主要原因。

Broad ligament defects are classified as congenital or acquired. Congenital cases have an embryologic basis due to a developmental peritoneal defect around the uterus.

阔韧带缺损分先天性的和获得性的，先天性缺损的病人其胚胎学基础是子宫周围的腹膜发育缺损。

Its etiology is assumed to be abnormal embryologic development of the inferior vena cava as a result of atrophy failure of the right subcardinal vein in the lumbar portion.

导因为下腔静脉的异常胚胎发展结果导致在腰部的右侧心下静脉未萎缩。

Pachygyria is a neuronal migration disorder that develops during the 12th to 24th week of embryologic development, and results in various degrees of muscle spasm, hyperreflexia, seizures, developmental delay, and mental retardation.

巨脑回是一种神经移行障碍，发生于胚胎发育的12-24周，其导致不同程度的肌痉挛、反射亢进、癫痫发作、发育延迟和智力低下

Schematic representation of the normal embryologic deelopment of the heart according to de la Cruz et al.

按照de la Cruz等人的观点心脏胚胎正常发育的示意图。C，圆锥；T，动脉干；PR，肺静脉回流；SR，体静脉回流。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。